starting with apple's earnings, its quarterly results are expected to shrink for the first time in a decade. decade. iphone sales are in a slump. shares have plunged 55% over the past six months. >>> can you remember life before youtube? the website turned 8 years old today. >> here we are, one of thealfants. >> this clip is the very first youtube video. that is the website cofounder at the san diego zoo. >> business partners sold to google for a whopping $1.65 billion. ♪ >> that is the most watched video on youtube. "gangnam style" with more than $1.5 billion views. >> youtube has become the number one source of viral videos, cat videos in particular like this post showing a cat playing with a vacuum cleaner. what is it about cats on youtube? i don't know. this is one of the most watched videos this week. >> you are watching cnn news room live. we will have more on the boston investigation. >> stay with cnn. [ tires screech ] [ beeping ] ♪ [ male announcer ] we don't just certify our pre-owned vehicles. we inspect, analyze and recondition each one, until it's nothing short of a